Costa Iced Matcha Latte (UK Price & Calories 2026)
The Costa Iced Matcha Latte is a chilled milk-based matcha drink made for people who want something creamy, refreshing and less coffee-like. In the UK, prices range from £4.50 to £5.30 across Small, Medium and Large sizes, while calories range from 84 to 148 kcal. It uses semi-skimmed milk by default and contains milk as an allergen.
Source: Official Costa Database
| Nutrient | Per 100g (In) | Eat In (360ml) | Takeaway (470ml) |
|---|---|---|---|
| Energy (kcal) | 32 | 114 | 114 |
| Energy (kJ) | 134 | 482 | 482 |
| Carbs (g) | 3.5 | 12.4 | 12.4 |
| Sugars (g) | 3 | 10.9 | 10.9 |
| Fat (g) | 1.1 | 4 | 4 |
| Saturates (g) | 0.7 | 2.5 | 2.5 |
| Protein (g) | 2.4 | 8.7 | 8.7 |
| Salt (g) | 0.07 | 0.25 | 0.25 |
Customize Your Signature Drink
Tailor the size, milk, and flavors to your preference and check the nutritional information
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Quick Look at What You’re Getting
- Small size is the most affordable at £4.50, while the large size tops the price at £5.30.
- Calorie range goes from 84 kcal in the small to 148 kcal in the large cup.
- Energy content spans from 356.8 kJ (small) up to 627.2 kJ (large).
- The portion size varies from 345 ml (small) to 525 ml (large), so you get more volume as you go up.
- Milk is a key allergen to note across all sizes.
- Choosing oat milk adds 30 kcal, while coconut milk reduces the calories by 32 kcal in the default size.
Pricing and Portion Sizes for Your Sweet Matcha Fix
Prices for the Iced Matcha Latte start at £4.50 for a small, rise to £4.90 for a medium, and reach £5.30 for a large. Alongside the price increase, you get a larger serving size, from 345 ml up to 525 ml, which also means a more intense taste experience. This gradual increase allows you to tailor your treat according to your appetite and budget.
The Nutrition Tale of Matcha in Every Sip
This latte’s calorie count reflects its indulgent nature. The small 345 ml drink contains 84 kcal, with 8.1 g of sugar and 3 g fat, including 1.8 g saturates. The medium size ups these figures to 114 kcal and 10.9 g sugar, while the large reaches 148 kcal and 14.2 g sugar. Protein content grows accordingly, providing a modest boost due to the milk. The salt levels remain low across all sizes.
| Size | Portion (ml) | Energy (kcal) | Energy (kJ) | Sugar (g) | Fat (g) | Saturates (g) | Carbs (g) | Protein (g) | Salt (g) |
| Small | 345 | 84 | 356.8 | 8.1 | 3 | 1.8 | 9.2 | 6.4 | 0.18 |
| Medium | 470 | 114 | 482.3 | 10.9 | 4 | 2.5 | 12.4 | 8.7 | 0.25 |
| Large | 525 | 148 | 627.2 | 14.2 | 5.2 | 3.2 | 16.1 | 11.3 | 0.32 |
Allergens to Check Before You Order Your Iced Matcha Latte
It’s important for customers with allergies to understand what this drink contains. The following allergen is present in all sizes:
- Milk: Contains
Please be aware that cross-contact risk means there is a possibility of allergens being inadvertently introduced through shared preparation environments.
Customising Your Drink: Milk Choices and Extras for a Personal Touch
Adjusting your milk choice can change the calorie and nutrient profile of your Iced Matcha Latte. Switching to oat milk adds 30 kcal and increases fat by 3 g per default size serving, while lowering sugar and protein. Coconut milk offers a lighter alternative, reducing energy by 32 kcal and decreasing fat and saturates, along with sugar and protein. These milk options come at an additional cost of £0.45.
You also have options to personalise your latte with a variety of extras and syrups, each with a price increase but no nutrition changes listed. Extras include an extra espresso shot (£0.80), light whip (£0.50), marshmallows (£0.50), and whipped cream (£0.60). Syrups like caramel, vanilla, hazelnut, and several sugar-free flavours are available at £0.60 each.
Treat Yourself Wisely: Tips for Ordering Your Iced Matcha Latte
- Choose a small size if you want a lighter, refreshing treat with 84 kcal and still enjoy the full matcha flavour.
- For a heartier, dessert-like drink, go for the large to maximise the creamy texture and calorie content (148 kcal).
- Oat milk is a great choice for added creaminess and calories, while coconut milk offers a lighter, less sugary alternative.
- Add extras like whipped cream or marshmallows for a sweeter indulgence, keeping in mind they add to your cost.
- Check allergen info carefully if you have milk allergies before ordering.
Frequently Asked Questions
Disclaimer
Prices shown are typical UK menu estimates for 2026 and may vary by store location, promotions, delivery services, or eat-in vs takeaway pricing. Nutritional values are based on standard drink configurations and may change depending on size, milk choice, extras, or recipe updates made by the brand.




